Suppose that f(x, y) = et/y on the domain D = {(x, y) |0 div F =The vector field F is shown in the xy plane. 3- Y 2 2 3 X Is div F positive, negative, or zero? O Positive O Negative O ZeroLet F = . Use Stokes' Theorem to evaluate curlF . dS, where S S is the hemisphere x2 + y2 + 22 = 16, > > 0, oriented upwards